.page__bd {
    background-color: #f0f0f0;
}

.normal_input {
    text-align: right;
}

.date_input {
    margin-left: 19px;
    margin-right: -19px;
    direction: rtl;
}

.div_blank {
    width: 30px;
}

.hidden_div {
    display: none;
}

.button_area {
    padding: 15px 10vw;
}